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Diffstat (limited to 'fs/xfs/linux-2.6/kmem.c')
-rw-r--r--fs/xfs/linux-2.6/kmem.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/fs/xfs/linux-2.6/kmem.c b/fs/xfs/linux-2.6/kmem.c
index f77fe5c8fcc1..80b9340488e5 100644
--- a/fs/xfs/linux-2.6/kmem.c
+++ b/fs/xfs/linux-2.6/kmem.c
@@ -68,6 +68,22 @@ kmem_zalloc(size_t size, unsigned int __nocast flags)
return ptr;
}
+void *
+kmem_zalloc_greedy(size_t *size, size_t minsize, size_t maxsize,
+ unsigned int __nocast flags)
+{
+ void *ptr;
+
+ while (!(ptr = kmem_zalloc(maxsize, flags))) {
+ if ((maxsize >>= 1) <= minsize) {
+ maxsize = minsize;
+ flags = KM_SLEEP;
+ }
+ }
+ *size = maxsize;
+ return ptr;
+}
+
void
kmem_free(void *ptr, size_t size)
{